Finding the Fourth Proportional to 75,160.86, 103,696.74 and 43,329.08
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Solution
The fourth proportional to 75,160.86, 103,696.74 and 43,329.08 is: 59,779.58
Step by Step Solution
- Step 1: Write the proportion equation
75,160.86 : 103,696.74 = 43,329.08 : x - Step 2: Convert to fraction form
75,160.86/103,696.74 = 43,329.08/x - Step 3: Cross multiply
75,160.86x = 103,696.74 × 43,329.08 - Step 4: Simplify right side
75,160.86x = 4,493,084,343.20 - Step 5: Solve for x
x = 4,493,084,343.20/75,160.86 - Step 6: Final answer
x = 59,779.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.